Muscle contraction: Tiny, erector pilaris (?Sp) muscle for each hair follicle contracts making hair 'stand' up. Useful for thick fur covered animals to increase air cushion ; insulation. May have role (for them) before trauma so hair acts as intermediary (/lubricant if you will) to reduce transmission to tissue below. W/humans, not-so-much.
Answered 12/25/2013
4.7k views
Goose Bumps: Goose bumps, also called goose flesh, goose pimples, the medical term cutis anserina, are the bumps on a person's skin at the base of body hairs which may involuntarily develop when a person is cold or experiences strong emotions such as fear, nostalgia, pleasure, euphoria, awe, admiration and sexual arousal.
Answered 12/25/2013
4.7k views
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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